Physician Profile
Unclaimed ProfileAbout DUNCAN
Mark O Duncan, DO practises neurosurgery in Lawton, OK. Mark is a 1994 graduate of Oklahoma State University College of Osteopathic Medicine. Mark is also listed as specialising in neurological surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Duncan's specialty?
Dr. Duncan is a neurosurgery in Lawton, OK. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROSURGERY”.
NPI registry
Where can I find Dr. Duncan?
Dr. Duncan is listed at 110 NW 31ST ST FL 2, Lawton, OK 73505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Duncan?
The number on file is (580) 248-5255. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Duncan's NPI number?
Dr. Duncan's National Provider Identifier is 1538155122. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Duncan's medical education?
Dr. Duncan attended Oklahoma State University College of Osteopathic Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Duncan been practising?
Dr. Duncan has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Duncan known for?
According to Medicare billing data, Dr. Duncan performs procedures including release and/or relocation of hand nerve, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Duncan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duncan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (580) 248-5255
- Email not available
Practice Locations
110 NW 31ST ST FL 2
Lawton, OK 73505
Procedures Most Often Billed to Medicare
191 services · 162 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Release and/or relocation of hand nerve | Procedure | 64721 |
18 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
114 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
34 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurosurgery specialists in Lawton 2
Same specialty, same city.
Trained at Oklahoma State University College of Osteopathic Medicine 4
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1994 at Oklahoma State University College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Release and/or relocation of hand nerve 8
Providers in OK who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.